initial commit -- everything compiles except for material.cpp. the material system still needs quite a bit of work; this will come in due time

1 files changed, 223 insertions, 0 deletions

diff --git a/lyt/layout.cpp b/lyt/layout.cpp
new file mode 100644
index 0000000..e501a72
--- /dev/null
+++ b/lyt/layout.cpp
@@ -0,0 +1,223 @@
+#include "layout.h"
+#include <QtCore/QStack>
+#include <QtCore/QVector>
+
+
+LYTLayout::LYTLayout(LYTPackageBase &package) : rootPane(0), m_package(package) {
+	this->clear();
+}
+
+LYTLayout::LYTLayout(LYTPackageBase &package, QString name) : rootPane(0), m_package(package) {
+	this->loadLayoutFromPackage(name);
+}
+
+LYTLayout::~LYTLayout() {
+	this->clear();
+}
+
+
+void LYTLayout::clear() {
+	this->width = 608.0;
+	this->height = 456.0;
+
+	this->m_fontRefs.clear();
+	this->m_textureRefs.clear();
+
+	foreach (LYTMaterial *material, materials.values())
+		delete material;
+
+	this->materials.clear();
+
+	if (this->rootPane != 0)
+		delete this->rootPane;
+}
+
+
+LYTPackageBase &LYTLayout::package() const {
+	return m_package;
+}
+
+
+bool LYTLayout::loadLayoutFromPackage(QString name) {
+	qDebug() << "Loading layout: " << name;
+	qDebug() << "From package: " << m_package.description();
+
+	QStack<LYTPane *> paneStack;
+	LYTPane *lastPane, *newPane;
+
+	bool hasGroupContainer = false;
+	int groupStackID = 0;
+
+	QByteArray layoutData = m_package.getLayout(name);
+	LYTBinaryFile file(layoutData);
+
+	this->clear();
+
+	foreach (LYTBinaryFileSection section, file.sections) {
+		// Handle every section in the file
+
+		qDebug("Handling %c%c%c%c", section.magic.str[3], section.magic.str[2], section.magic.str[1], section.magic.str[0]);
+
+		switch (section.magic.value) {
+		case 'lyt1':
+			this->readLyt1(section);
+			break;
+
+		case 'txl1':
+			this->readTxl1(section);
+			break;
+
+		case 'fnl1':
+			this->readFnl1(section);
+			break;
+
+		case 'mat1':
+			this->readMat1(section);
+			break;
+
+		case 'pan1':
+		case 'txt1':
+		case 'pic1':
+		case 'wnd1':
+		case 'bnd1':
+			newPane = this->createPaneObj(section);
+			newPane->dumpToDebug();
+
+			if (rootPane == 0)
+				rootPane = newPane;
+
+			if (!paneStack.empty()) {
+				newPane->parent = paneStack.last();
+				paneStack.last()->children.append(newPane);
+			}
+
+			lastPane = newPane;
+
+			break;
+
+		case 'pas1':
+			paneStack.push(lastPane);
+			break;
+
+		case 'pae1':
+			lastPane = paneStack.pop();
+			break;
+
+		case 'grp1':
+			if (!hasGroupContainer) {
+				// nw4r::lyt::Layout::Build actually creates a GroupContainer
+				// but we just use a QList so we don't need to do that
+				hasGroupContainer = true;
+			} else {
+				if (groupStackID == 1) {
+					// create a group and add it to the list
+					QDataStream in(section.data);
+					InitDataStream(in);
+					groups.append(new LYTGroup());
+					groups.last()->readFromDataStream(in, *this->rootPane);
+				}
+			}
+
+			break;
+
+		case 'grs1':
+			groupStackID++;
+			break;
+
+		case 'gre1':
+			groupStackID--;
+			break;
+		}
+	}
+
+	// todo: usd1
+
+	return true;
+}
+
+void LYTLayout::readLyt1(LYTBinaryFileSection &section) {
+	// initial info block containing width + height
+
+	QDataStream in(section.data);
+	InitDataStream(in);
+
+	in.skipRawData(4); // unused in newer nw4r::lyt versions - TODO: add support
+	in >> (float&)width;
+	in >> (float&)height;
+
+	qDebug() << "Read lyt1 block: layout size:" << width << "x" << height;
+}
+
+void LYTLayout::readTxl1(LYTBinaryFileSection &section) {
+	// list of texture references for this layout
+
+	QDataStream in(section.data);
+	InitDataStream(in);
+	m_textureRefs = ReadStringList(in);
+}
+
+void LYTLayout::readFnl1(LYTBinaryFileSection &section) {
+	// list of font references for this layout
+
+	QDataStream in(section.data);
+	InitDataStream(in);
+	m_fontRefs = ReadStringList(in);
+}
+
+void LYTLayout::readMat1(LYTBinaryFileSection &section) {
+	// the material section for the layout
+	// not fun.
+
+	QDataStream in(section.data);
+	InitDataStream(in);
+
+	quint16 count;
+	in >> (quint16&)count;
+	in.skipRawData(2); // padding
+
+	// create a list of every offset
+	// these offsets are from the start of the section, not from
+	// the first offset entry like StringLists are
+	QVector<quint32> materialOffsets(count);
+
+	for (int i = 0; i < count; i++) {
+		quint32 offset;
+		in >> (quint32&)offset;
+		materialOffsets[i] = offset;
+	}
+
+	// now read each material
+	for (int i = 0; i < count; i++) {
+		// subtract 8 from the offset because section.data doesn't contain
+		// the nw4r::ut::BinaryBlockHeader whereas these offsets do count it
+		in.device()->seek(materialOffsets[i] - 8);
+
+		LYTMaterial *material = new LYTMaterial(*this);
+		material->readFromDataStream(in);
+		material->dumpToDebug();
+
+		materials.insert(material->name, material);
+	}
+}
+
+LYTPane *LYTLayout::createPaneObj(LYTBinaryFileSection &section) {
+	LYTPane *pane;
+
+	if (section.magic.value == 'pan1')
+		pane = new LYTPane(*this);
+	else if (section.magic.value == 'txt1')
+		pane = new LYTTextBox(*this);
+	else if (section.magic.value == 'pic1')
+		pane = new LYTPicture(*this);
+	else if (section.magic.value == 'wnd1')
+		pane = new LYTWindow(*this);
+	else if (section.magic.value == 'bnd1')
+		pane = new LYTBounding(*this);
+
+	QDataStream in(section.data);
+	InitDataStream(in);
+
+	pane->readFromDataStream(in);
+
+	return pane;
+}